/*
The contents of this file are subject to the Mozilla Public License Version 1.1
(the "License"); you may not use this file except in compliance with the License.
You may obtain a copy of the License at http://www.mozilla.org/MPL/

Software distributed under the License is distributed on an "AS IS" basis,
WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
specific language governing rights and limitations under the License.

The Original Code is ______________________________________.

The Initial Developer of the Original Code is ________________________.
Portions created by ______________________ are Copyright (C) ______ _______________________.
All Rights Reserved.

Contributor(s): ______________________________________.

Alternatively, the contents of this file may be used under the terms of the eCos GPL license
(the  [eCos GPL] License), in which case the provisions of [eCos GPL] License are applicable
instead of those above. If you wish to allow use of your version of this file only under the
terms of the [eCos GPL] License and not to allow others to use your version of this file under
the MPL, indicate your decision by deleting  the provisions above and replace
them with the notice and other provisions required by the [eCos GPL] License.
If you do not delete the provisions above, a recipient may use your version of this file under
either the MPL or the [eCos GPL] License."
*/
#ifndef __LWIPOPTS_H__
#define __LWIPOPTS_H__
#define DBG_MIN_LEVEL 0
#define LWIP_COMPAT_SOCKETS 1
#define TAPIF_DEBUG DBG_ON
#define TUNIF_DEBUG DBG_OFF
#define UNIXIF_DEBUG DBG_OFF
#define DELIF_DEBUG DBG_OFF
#define SIO_FIFO_DEBUG DBG_OFF
#define TCPDUMP_DEBUG DBG_ON

#define LWIP_PROVIDE_ERRNO 1


#define PPP_DEBUG               DBG_ON

#ifdef LWIP_DEBUG
/*#define MEM_DEBUG               DBG_ON
#define MEMP_DEBUG              DBG_ON
#define PBUF_DEBUG              DBG_ON
#define API_LIB_DEBUG   DBG_ON
#define API_MSG_DEBUG   DBG_ON */
   #define TCPIP_DEBUG             DBG_ON
   #define NETIF_DEBUG             DBG_ON
   #define SOCKETS_DEBUG   DBG_ON
   #define DEMO_DEBUG              DBG_ON
   #define IP_DEBUG                DBG_ON
   #define IP_REASS_DEBUG  DBG_ON
   #define ICMP_DEBUG              DBG_ON
   #define UDP_DEBUG               DBG_ON
//#define TCP_DEBUG               DBG_ON
   #define TCP_INPUT_DEBUG         DBG_ON
   #define TCP_OUTPUT_DEBUG        DBG_ON
/*#define TCP_RTO_DEBUG   DBG_ON
#define TCP_CWND_DEBUG  DBG_ON
#define TCP_WND_DEBUG   DBG_ON
#define TCP_FR_DEBUG    DBG_ON
#define TCP_QLEN_DEBUG  DBG_ON
#define TCP_RST_DEBUG   DBG_ON*/
#endif

#define DBG_TYPES_ON    (DBG_ON|DBG_TRACE|DBG_STATE|DBG_FRESH|DBG_HALT)

#define NO_SYS 0 //1 //phlb

/* ---------- Memory options ---------- */
/* MEM_ALIGNMENT: should be set to the alignment of the CPU for which
   lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2
   byte alignment -> define MEM_ALIGNMENT to 2. */
#define MEM_ALIGNMENT           1

/* MEM_SIZE: the size of the heap memory. If the application will send
a lot of data that needs to be copied, this should be set high. */
#define MEM_SIZE               10240

/* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application
   sends a lot of data out of ROM (or other static memory), this
   should be set high. */
#define MEMP_NUM_PBUF           16
/* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
   per active UDP "connection". */
#define MEMP_NUM_UDP_PCB        4
/* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP
   connections. */
#define MEMP_NUM_TCP_PCB        5
/* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP
   connections. */
#define MEMP_NUM_TCP_PCB_LISTEN 8
/* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP
   segments. */
#define MEMP_NUM_TCP_SEG        16
/* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active
   timeouts. */
#define MEMP_NUM_SYS_TIMEOUT    3

/* The following four are used only with the sequential API and can be
   set to 0 if the application only will use the raw API. */
/* MEMP_NUM_NETBUF: the number of struct netbufs. */
#define MEMP_NUM_NETBUF         2
/* MEMP_NUM_NETCONN: the number of struct netconns. */
#define MEMP_NUM_NETCONN        10
/* MEMP_NUM_APIMSG: the number of struct api_msg, used for
   communication between the TCP/IP stack and the sequential
   programs. */
#define MEMP_NUM_API_MSG        16
/* MEMP_NUM_TCPIPMSG: the number of struct tcpip_msg, which is used
   for sequential API communication and incoming packets. Used in
   src/api/tcpip.c. */
#define MEMP_NUM_TCPIP_MSG      16


/* ---------- Pbuf options ---------- */
/* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
#define PBUF_POOL_SIZE          100

/* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
#define PBUF_POOL_BUFSIZE       128

/* PBUF_LINK_HLEN: the number of bytes that should be allocated for a
   link level header. */
#define PBUF_LINK_HLEN          16

/** SYS_LIGHTWEIGHT_PROT
 * define SYS_LIGHTWEIGHT_PROT in lwipopts.h if you want inter-task protection
 * for certain critical regions during buffer allocation, deallocation and memory
 * allocation and deallocation.
 */
/*#define SYS_LIGHTWEIGHT_PROT           1*/

/* ---------- TCP options ---------- */
#define LWIP_TCP                1
#define TCP_TTL                 255

/* Controls if TCP should queue segments that arrive out of
   order. Define to 0 if your device is low on memory. */
#define TCP_QUEUE_OOSEQ         1

/* TCP Maximum segment size. */
#define TCP_MSS                 1024

/* TCP sender buffer space (bytes). */
#define TCP_SND_BUF             2048

/* TCP sender buffer space (pbufs). This must be at least = 2 *
   TCP_SND_BUF/TCP_MSS for things to work. */
#define TCP_SND_QUEUELEN        4 * TCP_SND_BUF/TCP_MSS

/* TCP writable space (bytes). This must be less than or equal
   to TCP_SND_BUF. It is the amount of space which must be
   available in the tcp snd_buf for select to return writable */
#define TCP_SNDLOWAT            (TCP_SND_BUF/2)

/* TCP receive window. */
#define TCP_WND                 8096

/* Maximum number of retransmissions of data segments. */
#define TCP_MAXRTX              12

/* Maximum number of retransmissions of SYN segments. */
#define TCP_SYNMAXRTX           4

/* ---------- ARP options ---------- */
#define ARP_TABLE_SIZE 10
#define ARP_QUEUEING 1

/* ---------- IP options ---------- */
/* Define IP_FORWARD to 1 if you wish to have the ability to forward
   IP packets across network interfaces. If you are going to run lwIP
   on a device with only one network interface, define this to 0. */
#define IP_FORWARD              1


/* IP reassembly and segmentation.These are orthogonal even
 * if they both deal with IP fragments */
#define IP_REASSEMBLY     1
#define IP_FRAG           1

/* ---------- ICMP options ---------- */
#define ICMP_TTL                255

/* ---------- DHCP options ---------- */
/* Define LWIP_DHCP to 1 if you want DHCP configuration of
   interfaces. DHCP is not implemented in lwIP 0.5.1, however, so
   turning this on does currently not work. */
#define LWIP_DHCP               0

/* 1 if you want to do an ARP check on the offered address
   (recommended). */
#define DHCP_DOES_ARP_CHECK     1

/* ---------- UDP options ---------- */
#define LWIP_UDP                1
#define UDP_TTL                 255


/* ---------- Statistics options ---------- */

#ifdef LWIP_STATS
   #define LINK_STATS
   #define IP_STATS
   #define ICMP_STATS
   #define UDP_STATS
   #define TCP_STATS
   #define MEM_STATS
   #define MEMP_STATS
   #define PBUF_STATS
   #define SYS_STATS
#endif /* LWIP_STATS */

/* ---------- PPP options ---------- */

#define PPP_SUPPORT      1      /* Set > 0 for PPP */

#if PPP_SUPPORT > 0

   #define NUM_PPP 1        /* Max PPP sessions. */


/* Select modules to enable.  Ideally these would be set in the makefile but
 * we're limited by the command line length so you need to modify the settings
 * in this file.
 */
   #define PAP_SUPPORT      1   /* Set > 0 for PAP. */
   #define CHAP_SUPPORT     1   /* Set > 0 for CHAP. */
   #define MSCHAP_SUPPORT   0   /* Set > 0 for MSCHAP (NOT FUNCTIONAL!) */
   #define CBCP_SUPPORT     0   /* Set > 0 for CBCP (NOT FUNCTIONAL!) */
   #define CCP_SUPPORT      0   /* Set > 0 for CCP (NOT FUNCTIONAL!) */
   #define VJ_SUPPORT       1   /* Set > 0 for VJ header compression. */
   #define MD5_SUPPORT      1   /* Set > 0 for MD5 (see also CHAP) */


/*
 * Timeouts.
 */
   #define FSM_DEFTIMEOUT          6    /* Timeout time in seconds */
   #define FSM_DEFMAXTERMREQS      2    /* Maximum Terminate-Request transmissions */
   #define FSM_DEFMAXCONFREQS      10   /* Maximum Configure-Request transmissions */
   #define FSM_DEFMAXNAKLOOPS      5    /* Maximum number of nak loops */

   #define UPAP_DEFTIMEOUT         6    /* Timeout (seconds) for retransmitting req */
   #define UPAP_DEFREQTIME         30   /* Time to wait for auth-req from peer */

   #define CHAP_DEFTIMEOUT         6    /* Timeout time in seconds */
   #define CHAP_DEFTRANSMITS       10   /* max # times to send challenge */


/* Interval in seconds between keepalive echo requests, 0 to disable. */
   #if 1
      #define LCP_ECHOINTERVAL 0
   #else
      #define LCP_ECHOINTERVAL 10
   #endif

/* Number of unanswered echo requests before failure. */
   #define LCP_MAXECHOFAILS 3

/* Max Xmit idle time (in jiffies) before resend flag char. */
   #define PPP_MAXIDLEFLAG 100

/*
 * Packet sizes
 *
 * Note - lcp shouldn't be allowed to negotiate stuff outside these
 *    limits.  See lcp.h in the pppd directory.
 * (XXX - these constants should simply be shared by lcp.c instead
 *    of living in lcp.h)
 */
   #define PPP_MTU     1500  /* Default MTU (size of Info field) */
   #if 0
      #define PPP_MAXMTU  65535 - (PPP_HDRLEN + PPP_FCSLEN)
   #else
      #define PPP_MAXMTU  1500 /* Largest MTU we allow */
   #endif
   #define PPP_MINMTU  64
   #define PPP_MRU     1500  /* default MRU = max length of info field */
   #define PPP_MAXMRU  1500  /* Largest MRU we allow */
   #define PPP_DEFMRU      296          /* Try for this */
   #define PPP_MINMRU      128          /* No MRUs below this */


   #define MAXNAMELEN      256  /* max length of hostname or name for auth */
   #define MAXSECRETLEN    256  /* max length of password or secret */

#endif /* PPP_SUPPORT > 0 */

#endif /* __LWIPOPTS_H__ */
